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144923121453246 = 23374758512373869
BaseRepresentation
bin100000111100111010001011…
…001011001000100010111110
3201000010111220111210211212220
4200330322023023020202332
5122443410023043000441
61232120432441310210
742345231023135343
oct4074721313104276
9630114814724786
10144923121453246
11421a4606a16754
12143070a4195366
1362b32652698c6
1427b04606b87ca
1511b4bb27c4466
hex83ce8b2c88be

144923121453246 has 64 divisors (see below), whose sum is σ = 304065627909120. Its totient is φ = 45994167273600.

The previous prime is 144923121453217. The next prime is 144923121453281. The reversal of 144923121453246 is 642354121329441.

It is a happy number.

It is a super-2 number, since 2×1449231214532462 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59862400 + ... + 62236268.

It is an arithmetic number, because the mean of its divisors is an integer number (4751025436080).

Almost surely, 2144923121453246 is an apocalyptic number.

144923121453246 is an abundant number, since it is smaller than the sum of its proper divisors (159142506455874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144923121453246 is a wasteful number, since it uses less digits than its factorization.

144923121453246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379809.

The product of its digits is 4976640, while the sum is 51.

The spelling of 144923121453246 in words is "one hundred forty-four trillion, nine hundred twenty-three billion, one hundred twenty-one million, four hundred fifty-three thousand, two hundred forty-six".

Divisors: 1 2 3 6 37 47 74 94 111 141 222 282 1739 3478 5217 5851 10434 11702 17553 35106 216487 274997 432974 549994 649461 824991 1298922 1649982 2373869 4747738 7121607 10174889 14243214 20349778 30524667 61049334 87833153 111571843 175666306 223143686 263499459 334715529 526998918 669431058 4128158191 8256316382 12384474573 13889507519 24768949146 27779015038 41668522557 83337045114 513911778203 652806853393 1027823556406 1305613706786 1541735334609 1958420560179 3083470669218 3916841120358 24153853575541 48307707151082 72461560726623 144923121453246